Freezing method



Sept. 6, 1927 51.12. KOLBE FREEZING METHOD Filed June 9, 1925 \& I.

' J INVENTOR.

Lg BY v ATTORNEYS:

1 5.... 6, 1927. 1.6 1.4 1 UNITEDASTATES PATENT OFFICE.

I ROBERT KOLBE, OF ERIE, PENTI'SYLVLNIA.

FREEZING METHOD.

Application flled June a, 1925. serial in. $5,097.

In treating materials to condition them, invention these are ordinarilyloaded with such as in the freezing of fish, it is desirable fish andare started in the receptacle at the to accomplish the purpose in acontinuous point 6. As the li uid flows the rece tacles operation. Thepresent invention is deare carried along t e paths through t apco isigned to accomplish this in a simple and effiparatus finally reachingthe discharge posicient manner and in carrying out the infvention 6?where they are removed. The length tion a liquid having the temperaturedesired of the circuit as compared with the veloclty is moved tlirough acontainer preferably in of the liquid is so related that the proper acircuitous pathand carries with .it recepheat transference will takeplace in the'tlme ll 10 tacles which float upon the liquid and carrynecessary to ass the receptacles through the the material which is to betreated. As orapparatus. f, however, this is not suflicient dinarilypracticed the liquid is move'd at a the'receptacies may be blocked atthe outlet velocity which with relation to the path of and allowed toremain in the a paratus the the liquid is such as to maintain thereceptarequired length of time. Whi e the appa- 70' cles as they movewith the liquid a suflicient ratus ma be operated in an open position ittime to accomplish the desired heat trans.- 1s desira le to cover thecontainer and a ference. However, this may be controlled, cover 1 0covers the entire container. if desired; by timing the discharge andper- What I claim as new is I mitting the receptacles to bank up in theap- 1. The method of freezing materials which 75 2 aratus. Otherfeatures and details of the consists 1n establishing a moving liquidhavnvention will appear'from the specification mg a freezing point belowthat of the mateand claims. rial to be frozen and having a temperatureThe apparatus for carrying out the invenbelow the freezing point of thematerial to tion is illustrated in the accompanying draw be frozen,arranging the material to be treat- N in as follows ed in buoyantreceptacles and subjecting the ig. 1 shows a plan view of the device,the receptacles to movement through the flow of cover being removed tobetter show constructhe liquid and to the temperature of the tion.liquid as it is moved. a

Fig. 2 a section on the line 2-2 in Fig. 1. 9 2. The methodof freezingmaterials which ll 89 Fig.3 a perspective view of oneof iii'e consistsin establishing a liquid having a material carrying receptacles..freezing point below that of the material Fig. i a perspective view ofthe'device, to frozen and with a movement from partly broken away. I adesired loading point toa discharge point,

1 marks the container, ordinarily a'shal-. said liquid having atemperature below the O0 low tank. This has a series of partitions .2freezing point of the material to be frozen, forming paths 3, thepartitions being open arranging the material to be treated inalternately at their ends forming turns 4. buoyant receptacles andsubjecting there- The outer-ends of the turns 4 have a rounded ceptaclesto movement through the flow of guiding wall 5.- The inlet end of thecirthe liquid and to the temperature of the N 40 cuitous path isextended to the end of the liquid as it is moved. a

container forming a point of loading 6 and 3. The method of freezingmaterials which a dischar end 6 is preferably carried to consists inestablishing" a moving li uid hav- ,a point a jacent to the loading endso that ing a freezing point below that of e matethe apparatus may beoperated from one po; rial to be frozen and having a temperature 100sition. below the freezing point of the material to A liquid having thetemperature desired, be frozen, arranging the material to be treatin thespecific exemplifica'tion of the invened inbuoyant receptacles,subjecting the retion ordmaril brine, is deliveredthrough a ceptacles tomovement through the flow of pipe 7 and 'discharged throughan overflowthe liquid and to the temperature of the I i I I 8 maintaining acomparatively constant level liquid as it is moved, and controlling thethrough the apparatus. speed of the liquid in' relation to the distance=.Beceptacles 9, preferably round so as to traversed by the receptacleto produce the more readily make the corners, are provided, desiredfreezing action. being of. suflicient depth to give a desired Intestimony whereof I have hereunto set .56 *buoyanc to carry the materialloaded into my hand.

the specific exemplification of the ROBERT E. KOLBE:

